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        <a href=".." >morphia API汇总</a>
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                                <h1 id="morphia-api&#x6C47;&#x603B;">morphia API&#x6C47;&#x603B;</h1>
<h2 id="&#x67E5;&#x8BE2;-query">&#x67E5;&#x8BE2; query</h2>
<p>&#x64CD;&#x4F5C;&#x7B26;&#xFF1A;<code>[&quot;=&quot;, &quot;==&quot;,&quot;!=&quot;, &quot;&lt;&gt;&quot;, &quot;&gt;&quot;, &quot;&lt;&quot;, &quot;&gt;=&quot;, &quot;&lt;=&quot;, &quot;in&quot;, &quot;nin&quot;, &quot;all&quot;, &quot;size&quot;, &quot;exists&quot;]</code>&#xFF0C;&#x9002;&#x7528;&#x4E8E;<code>Datastore.find()</code>&#x53CA;<code>Query.filter()</code></p>
<p><strong>&#x6CE8;&#x610F;</strong>&#xFF1A;&#x5341;&#x5206;&#x8981;&#x6CE8;&#x610F;&#xFF1A;&#x6240;&#x6709;&#x7684;&#x64CD;&#x4F5C;&#x7B26;&#x4E0E;&#x5B57;&#x6BB5;&#x540D;&#xFF0C;&#x5FC5;&#x987B;&#x7559;&#x7A7A;&#x683C;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;Age!=22&#xFF0C;&#x5C31;&#x4F1A;&#x62A5;&#x9519;</p>
<p><code>Datastore.find()</code>&#x793A;&#x4F8B;&#xFF1A;</p>
<pre><code class="lang-java"><span class="hljs-comment">//&#x5E74;&#x9F84;22&#x7684;&#x7528;&#x6237;&#xFF1A;{Age:22}</span>
List&lt;Customer&gt; list = datastore.find(Customer.class, <span class="hljs-string">&quot;Age =&quot;</span>, <span class="hljs-number">22</span>).asList();

<span class="hljs-comment">//&#x7B49;&#x4EF7;&#x4E8E;&#x4EE5;&#x4E0A;</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Age&quot;</span>, <span class="hljs-number">22</span>).asList();

<span class="hljs-comment">//&#x5E74;&#x9F84;22&#x4EE5;&#x4E0A;&#x7684;&#x7528;&#x6237;&#xFF1A;{Age:{$gt:22}}</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Age &gt;&quot;</span>, <span class="hljs-number">22</span>).asList();

<span class="hljs-comment">//&#x540D;&#x5B57;&#x662F;Tgor&#x3001;Mark&#x5176;&#x4E2D;&#x4E00;&#x4F4D;&#x7684;&#x7528;&#x6237;&#xFF1A;{Name:{$in:[&quot;Tgor&quot;,&quot;Mark&quot;]}}</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Name in&quot;</span>, <span class="hljs-keyword">new</span> String[]{<span class="hljs-string">&quot;Tgor&quot;</span>, <span class="hljs-string">&quot;Mark&quot;</span>}).asList();

<span class="hljs-comment">//&#x540D;&#x5B57;&#x4E0D;&#x5728;Tgor&#x3001;Mark&#x4E4B;&#x95F4;&#x7684;&#x7528;&#x6237;&#xFF1A;{Name:{$nin:[&quot;Tgor&quot;,&quot;Mark&quot;]}}</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Name nin&quot;</span>, <span class="hljs-keyword">new</span> String[]{<span class="hljs-string">&quot;Tgor&quot;</span>, <span class="hljs-string">&quot;Mark&quot;</span>}).asList();

<span class="hljs-comment">//&#x89D2;&#x8272;&#x662F;A&#x3001;B&#x3001;C&#x5176;&#x4E2D;&#x4E4B;&#x4E00;&#x7684;&#x7528;&#x6237;&#xFF1A;{Role:{$in:[&quot;A&quot;,&quot;B&quot;,&quot;C&quot;]}}&#x3002;&#x7ED3;&#x679C;&#x5931;&#x8D25;&#xFF0C;&#x6240;&#x6709;&#x7528;&#x6237;&#x90FD;&#x4F1A;&#x67E5;&#x51FA;&#xFF0C;role&#x5B57;&#x6BB5;&#x662F;&#x6570;&#x7EC4;&#xFF0C;&#x5E94;&#x4F7F;&#x7528;$all</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Role in&quot;</span>, <span class="hljs-keyword">new</span> String[]{<span class="hljs-string">&quot;A&quot;</span>, <span class="hljs-string">&quot;B&quot;</span>, <span class="hljs-string">&quot;C&quot;</span>}).asList();

<span class="hljs-comment">//&#x5168;&#x90E8;&#x5177;&#x6709;A&#x3001;B&#x3001;C&#x4E09;&#x79CD;&#x89D2;&#x8272;&#x7684;&#x7528;&#x6237;&#xFF1A;{Role:{$all:[&quot;A&quot;,&quot;B&quot;,&quot;C&quot;]}}&#x3002;&#x7ED3;&#x679C;&#x5931;&#x8D25;&#xFF0C;&#x6240;&#x6709;&#x7528;&#x6237;&#x90FD;&#x4F1A;&#x67E5;&#x51FA;&#xFF0C;role&#x5B57;&#x6BB5;&#x662F;&#x6570;&#x7EC4;&#xFF0C;&#x5E94;&#x4F7F;&#x7528;$all</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Role all&quot;</span>, <span class="hljs-keyword">new</span> String[]{<span class="hljs-string">&quot;A&quot;</span>, <span class="hljs-string">&quot;B&quot;</span>, <span class="hljs-string">&quot;C&quot;</span>}).asList();

<span class="hljs-comment">//&#x5177;&#x6709;3&#x79CD;&#x89D2;&#x8272;&#x7684;&#x7528;&#x6237;&#xFF1A;</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Role size&quot;</span>, <span class="hljs-number">3</span>).asList();

<span class="hljs-comment">//&#x5E74;&#x9F84;&#x4E0D;&#x7B49;&#x4E8E;28&#x7684;&#x7528;&#x6237;&#xFF1A;{Age:{$ne:28}}</span>
list = datastore.find(Customer.class, <span class="hljs-string">&quot;Age !=&quot;</span>, <span class="hljs-number">28</span>).asList();
</code></pre>
<p>&#x901A;&#x8FC7;<code>find()</code>&#x67E5;&#x8BE2;&#xFF0C;find api&#x53EA;&#x652F;&#x6301;&#x5355;&#x4E2A;&#x6761;&#x4EF6;&#x53C2;&#x6570;&#xFF0C;&#x5BF9;&#x4E8E;&#x590D;&#x5408;&#x67E5;&#x8BE2;&#xFF0C;&#x9700;&#x8981;&#x4F7F;&#x7528;<code>Query.filter()</code>&#xFF0C;&#x793A;&#x4F8B;&#xFF1A;</p>
<p><strong>&#x6CE8;&#x610F;</strong>&#xFF1A;</p>
<pre><code class="lang-java">Query&lt;Customer&gt; qry = datastore.createQuery(Customer.class);

<span class="hljs-comment">//&#x5E74;&#x9F84;22&#x4EE5;&#x4E0A;&#xFF0C;&#x4E14;&#x5177;&#x6709;C&#x89D2;&#x8272;&#x7684;&#x7528;&#x6237;&#xFF1A;{$and:[{Age:{$gt:22}},{Role:{$all:[&quot;C&quot;]}}]}</span>
List&lt;Customer&gt; list = qry.filter(<span class="hljs-string">&quot;Age &gt;&quot;</span>, <span class="hljs-number">22</span>).filter(<span class="hljs-string">&quot;Role all&quot;</span>, <span class="hljs-keyword">new</span> String[]{<span class="hljs-string">&quot;C&quot;</span>}).asList();

<span class="hljs-comment">//&#x6CE8;&#x610F;&#xFF1A;filter()&#x62FC;&#x63A5;&#x65B9;&#x6CD5;&#x53EA;&#x652F;&#x6301;and</span>
<span class="hljs-comment">//&#x5E74;&#x9F84;22&#x4EE5;&#x4E0A;&#xFF0C;&#x6216;&#x5177;&#x6709;C&#x89D2;&#x8272;&#x7684;&#x7528;&#x6237;&#xFF1A;{ &quot;$or&quot; : [ { &quot;Age&quot; : { &quot;$gt&quot; : 22}} , { &quot;Role&quot; : { &quot;$all&quot; : [ &quot;C&quot;]}}]}</span>
List&lt;String&gt; roles = <span class="hljs-keyword">new</span> ArrayList&lt;String&gt;();
roles.add(<span class="hljs-string">&quot;C&quot;</span>);
qry.or(qry.criteria(<span class="hljs-string">&quot;Age&quot;</span>).greaterThan(<span class="hljs-number">22</span>), qry.criteria(<span class="hljs-string">&quot;Role&quot;</span>).hasAllOf(roles));
List&lt;Customer&gt; list = qry.asList();

System.out.println(<span class="hljs-string">&quot;&#x6253;&#x5370;&#x67E5;&#x8BE2;&#x6761;&#x4EF6;&#xFF1A;&quot;</span> + qry.toString());
</code></pre>
<p>&#x7EC4;&#x5408;&#x67E5;&#x8BE2;&#x4E24;&#x79CD;&#x5F62;&#x5F0F;&#x533A;&#x522B;&#xFF1A;</p>
<pre><code class="lang-javascript">db.getCollection(<span class="hljs-string">&apos;RuntimeEvent&apos;</span>).find({
     <span class="hljs-string">&quot;$and&quot;</span> :[
    {cid:<span class="hljs-string">&quot;11908001&quot;</span>},
    {evt:<span class="hljs-string">&quot;WHTR.SOA.Contracts.Events.Investment.NginfInvestEvent&quot;</span>},
    {aids:{<span class="hljs-string">&quot;$all&quot;</span>:[<span class="hljs-string">&quot;596c7ce74070071d81fc6018:325bc3ba-c844-46f8-b367-03bc03499391&quot;</span>]}},
    {_id:{<span class="hljs-string">&quot;$gte&quot;</span>:ObjectId(<span class="hljs-string">&quot;595675800000000000000000&quot;</span>)}},
     {_id:{<span class="hljs-string">&quot;$lte&quot;</span>:ObjectId(<span class="hljs-string">&quot;595dbd020d24a22d84432320&quot;</span>)}}
    ]
    })

    db.getCollection(<span class="hljs-string">&apos;RuntimeEvent&apos;</span>).find({
     <span class="hljs-string">&quot;$or&quot;</span> :[
    {cid:<span class="hljs-string">&quot;11908001&quot;</span>},
    {evt:<span class="hljs-string">&quot;WHTR.SOA.Contracts.Events.Investment.NginfInvestEvent&quot;</span>},
    {aids:{<span class="hljs-string">&quot;$all&quot;</span>:[<span class="hljs-string">&quot;596c7ce74070071d81fc6018:325bc3ba-c844-46f8-b367-03bc03499391&quot;</span>]}},
    {_id:{<span class="hljs-string">&quot;$gte&quot;</span>:ObjectId(<span class="hljs-string">&quot;595675800000000000000000&quot;</span>)}},
     {_id:{<span class="hljs-string">&quot;$lte&quot;</span>:ObjectId(<span class="hljs-string">&quot;595dbd020d24a22d84432320&quot;</span>)}}
    ]
     })

    db.getCollection(<span class="hljs-string">&apos;RuntimeEvent&apos;</span>).find({
    cid:<span class="hljs-string">&quot;11908001&quot;</span>,
    evt:<span class="hljs-string">&quot;WHTR.SOA.Contracts.Events.Investment.NginfInvestEvent&quot;</span>,
    aids:{<span class="hljs-string">&quot;$all&quot;</span>:[<span class="hljs-string">&quot;596c7ce74070071d81fc6018:325bc3ba-c844-46f8-b367-03bc03499391&quot;</span>]},
    _id:{<span class="hljs-string">&quot;$gte&quot;</span>:ObjectId(<span class="hljs-string">&quot;595675800000000000000000&quot;</span>)},
     _id:{<span class="hljs-string">&quot;$lte&quot;</span>:ObjectId(<span class="hljs-string">&quot;595dbd020d24a22d84432320&quot;</span>)}
    })
</code></pre>
<h2 id="&#x805A;&#x5408;-aggregate">&#x805A;&#x5408; aggregate</h2>
<pre><code class="lang-javascript"><span class="hljs-comment">//&#x67E5;&#x8BE2;&#x6307;&#x5B9A;&#x4EFB;&#x52A1;&#xFF0C;&#x5B8C;&#x6210;&#x6B21;&#x6570;&#x8D85;&#x8FC7;&#x4E00;&#x6B21;&#x4EE5;&#x4E0A;&#x7684;&#x7528;&#x6237;Id&#x53CA;&#x5B8C;&#x6210;&#x6B21;&#x6570;&#xFF0C;&#x7528;&#x4E8E;&#x68C0;&#x67E5;&#x5468;&#x671F;&#x5B8C;&#x6210;&#x7ED3;&#x679C;</span>
<span class="hljs-keyword">var</span> aid = <span class="hljs-string">&quot;595de1154070071d81fc5ff7&quot;</span>;
<span class="hljs-keyword">var</span> mid =<span class="hljs-string">&quot;f275a915-9861-4d7c-be3a-59807ddaacd2&quot;</span>;
db.Footprint.aggregate( [
    { $match : {<span class="hljs-string">&quot;Aid&quot;</span>:aid, <span class="hljs-string">&quot;Mid&quot;</span>:mid, <span class="hljs-string">&quot;Ms&quot;</span>:<span class="hljs-number">1</span> } }, <span class="hljs-comment">//&#x9996;&#x5148;&#x8FC7;&#x6EE4;&#xFF0C;&#x76F8;&#x5F53;&#x4E8E;&#x5148;where</span>
    { $group: { _id: <span class="hljs-string">&quot;$Cid&quot;</span>, count: { $sum: <span class="hljs-number">1</span> } } }, <span class="hljs-comment">//&#x518D;&#x5C06;&#x4EE5;&#x4E0A;&#x7ED3;&#x679C;&#x653E;&#x5165;&#x7BA1;&#x9053;&#xFF0C;group by Cid</span>
    { $match : {count: {<span class="hljs-string">&quot;$gt&quot;</span> : <span class="hljs-number">1</span> } } } <span class="hljs-comment">//&#x518D;&#x5C06;&#x4EE5;&#x4E0A;&#x7ED3;&#x679C;&#x653E;&#x5165;&#x7BA1;&#x9053;&#xFF0C;&#x76F8;&#x5F53;&#x4E8E;having count(Cid) &gt; 1</span>
] );
</code></pre>
<h2 id="&#x6392;&#x5E8F;-order">&#x6392;&#x5E8F; order</h2>
<pre><code class="lang-java">Query&lt;Customer&gt; qry = datastore.createQuery(Customer.class);

<span class="hljs-comment">//&#x6839;&#x636E;&#x624B;&#x673A;&#x5347;&#x5E8F;&#xFF0C;&#x518D;&#x6839;&#x636E;&#x5E74;&#x9F84;&#x964D;&#x5E8F;</span>
List&lt;Customer&gt; list = qry.order(<span class="hljs-string">&quot;Phone,-Age&quot;</span>).asList();
</code></pre>
<h2 id="&#x66F4;&#x65B0;-update">&#x66F4;&#x65B0; update</h2>
<pre><code class="lang-java"><span class="hljs-comment">//&#x66F4;&#x65B0;&#x5185;&#x5D4C;&#x6570;&#x7EC4;&#x5BF9;&#x8C61;&#x5C5E;&#x6027;&#xFF1A;db.getCollection(&apos;Footprint&apos;).update({&quot;Rew.Revt.reqNo&quot;:&quot;64c5107e-7b5e-4af8-8b51-dbcb9adf8c30&quot;}, {$set:{&quot;Rew.$.Rs&quot;:3, &quot;Rew.$.CouponId&quot;:10}})</span>
</code></pre>
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